diario SWL I-56578 Antonio

The so-called CIS-3000 is a single 8-ary PSK-modulated 2000 Hz carrier (pic. 1) and it's nick name is just due to its constant ...

during these days its pretty easy to see three CIS-3000 bursts before and/or after an MFSK-64 session, mostly in the 20 meter band from t...